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Russell 3000
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Top Russell 3000 Companies by Market Cap and Stocks in 2026

This is the list of the largest public listed companies in the Russell 3000 index ranked by market capitalization, together with links to their reference stock, sector and industry.

Russell 3000 Chart & Analysis

Top Russell 3000 Companies Ranking by Market Cap as of Jan. 1, 2026

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Ranking Company Stock Market Cap (USD) Country Sector Industry
1021 ACI Worldwide, Inc. ACIW $4.71 B United States US Technology US Software—Infrastructure
1022 Meritage Homes Corporation MTH $4.71 B United States US Consumer Discretionary US Residential Construction
1023 Warrior Met Coal, Inc. HCC $4.71 B United States US Basic Materials US Coking Coal
1024 R1 RCM Inc. RCM $4.69 B

(July 1, 2024)

 United States US Healthcare US Health Information Services
1025 Cavco Industries, Inc. CVCO $4.68 B United States US Consumer Discretionary US Residential Construction
1026 Travel + Leisure Co. TNL $4.68 B United States US Consumer Discretionary US Travel Services
1027 Archrock, Inc. AROC $4.67 B United States US Energy US Oil & Gas Equipment & Services
1028 Belden Inc. BDC $4.67 B United States US Industrials US Electrical Equipment & Parts
1029 Alkermes plc ALKS $4.67 B Ireland Irish Healthcare Irish Biotechnology
1030 Nelnet, Inc. NNI $4.67 B United States US Financials US Credit Services
1031 Science Applications International Corporation SAIC $4.66 B United States US Technology US Information Technology Services
1032 Workiva Inc. WK $4.66 B United States US Technology US Software—Application
1033 Celcuity Inc. CELC $4.65 B United States US Healthcare US Diagnostics & Research
1034 Inari Medical, Inc. NARI $4.65 B

(Jan. 1, 2025)

 United States US Healthcare US Medical Devices
1035 TG Therapeutics, Inc. TGTX $4.65 B United States US Healthcare US Biotechnology
1036 Grand Canyon Education, Inc. LOPE $4.65 B United States US Consumer Staples US Education & Training Services
1037 ONE Gas, Inc. OGS $4.65 B United States US Utilities US Utilities—Regulated Gas
1038 e.l.f. Beauty, Inc. ELF $4.64 B United States US Consumer Staples US Household & Personal Products
1039 Murphy Oil Corporation MUR $4.64 B United States US Energy US Oil & Gas E&P
1040 New Jersey Resources Corporation NJR $4.63 B United States US Utilities US Utilities—Regulated Gas
1041 EnPro Industries, Inc. NPO $4.62 B United States US Industrials US Specialty Industrial Machinery
1042 Celanese Corporation CE $4.62 B United States US Basic Materials US Chemicals
1043 Asbury Automotive Group, Inc. ABG $4.62 B United States US Consumer Discretionary US Auto & Truck Dealerships
1044 FormFactor, Inc. FORM $4.59 B United States US Technology US Semiconductors
1045 Encore Wire Corporation WIRE $4.58 B

(July 1, 2024)

 United States US Industrials US Electrical Equipment & Parts
1046 Lantheus Holdings, Inc. LNTH $4.57 B United States US Healthcare US Diagnostics & Research
1047 Mercury Systems, Inc. MRCY $4.57 B United States US Industrials US Aerospace & Defense
1048 Spirit AeroSystems Holdings, Inc. SPR $4.54 B

(July 1, 2025)

 United States US Industrials US Aerospace & Defense
1049 Kilroy Realty Corporation KRC $4.54 B United States US Real Estate US REIT—Office
1050 Lancaster Colony Corporation LANC $4.54 B United States US Consumer Staples US Packaged Foods

Top Russell 3000 Companies Ranking by Market Cap as of Jan. 1, 2026

1021. ACI Worldwide, Inc.

Company Profile: ACI Worldwide, Inc.
Market Cap (USD): $4.71 B
Stock: ACIW wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Infrastructure

1022. Meritage Homes Corporation

Company Profile: Meritage Homes Corporation
Market Cap (USD): $4.71 B
Stock: MTH wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Residential Construction

1023. Warrior Met Coal, Inc.

Company Profile: Warrior Met Coal, Inc.
Market Cap (USD): $4.71 B
Stock: HCC wb_incandescent
Country: United States
Sector: US Basic Materials
Industry: US Coking Coal

1024. R1 RCM Inc.

Company Profile: R1 RCM Inc.
Market Cap (USD): $4.69 B (July 1, 2024)
Stock: RCM wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Health Information Services

1025. Cavco Industries, Inc.

Company Profile: Cavco Industries, Inc.
Market Cap (USD): $4.68 B
Stock: CVCO wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Residential Construction

1026. Travel + Leisure Co.

Company Profile: Travel + Leisure Co.
Market Cap (USD): $4.68 B
Stock: TNL wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Travel Services

1027. Archrock, Inc.

Company Profile: Archrock, Inc.
Market Cap (USD): $4.67 B
Stock: AROC wb_incandescent
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

1028. Belden Inc.

Company Profile: Belden Inc.
Market Cap (USD): $4.67 B
Stock: BDC wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Electrical Equipment & Parts

1029. Alkermes plc

Company Profile: Alkermes plc
Market Cap (USD): $4.67 B
Stock: ALKS wb_incandescent
Country: Ireland
Sector: Irish Healthcare
Industry: Irish Biotechnology

1030. Nelnet, Inc.

Company Profile: Nelnet, Inc.
Market Cap (USD): $4.67 B
Stock: NNI wb_incandescent
Country: United States
Sector: US Financials
Industry: US Credit Services

1031. Science Applications International Corporation

Company Profile: Science Applications International Corporation
Market Cap (USD): $4.66 B
Stock: SAIC wb_incandescent
Country: United States
Sector: US Technology
Industry: US Information Technology Services

1032. Workiva Inc.

Company Profile: Workiva Inc.
Market Cap (USD): $4.66 B
Stock: WK wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Application

1033. Celcuity Inc.

Company Profile: Celcuity Inc.
Market Cap (USD): $4.65 B
Stock: CELC wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

1034. Inari Medical, Inc.

Company Profile: Inari Medical, Inc.
Market Cap (USD): $4.65 B (Jan. 1, 2025)
Stock: NARI wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Medical Devices

1035. TG Therapeutics, Inc.

Company Profile: TG Therapeutics, Inc.
Market Cap (USD): $4.65 B
Stock: TGTX wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

1036. Grand Canyon Education, Inc.

Company Profile: Grand Canyon Education, Inc.
Market Cap (USD): $4.65 B
Stock: LOPE wb_incandescent
Country: United States
Sector: US Consumer Staples
Industry: US Education & Training Services

1037. ONE Gas, Inc.

Company Profile: ONE Gas, Inc.
Market Cap (USD): $4.65 B
Stock: OGS wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

1038. e.l.f. Beauty, Inc.

Company Profile: e.l.f. Beauty, Inc.
Market Cap (USD): $4.64 B
Stock: ELF wb_incandescent
Country: United States
Sector: US Consumer Staples
Industry: US Household & Personal Products

1039. Murphy Oil Corporation

Company Profile: Murphy Oil Corporation
Market Cap (USD): $4.64 B
Stock: MUR wb_incandescent
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

1040. New Jersey Resources Corporation

Company Profile: New Jersey Resources Corporation
Market Cap (USD): $4.63 B
Stock: NJR wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

1041. EnPro Industries, Inc.

Company Profile: EnPro Industries, Inc.
Market Cap (USD): $4.62 B
Stock: NPO wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Specialty Industrial Machinery

1042. Celanese Corporation

Company Profile: Celanese Corporation
Market Cap (USD): $4.62 B
Stock: CE wb_incandescent
Country: United States
Sector: US Basic Materials
Industry: US Chemicals

1043. Asbury Automotive Group, Inc.

Company Profile: Asbury Automotive Group, Inc.
Market Cap (USD): $4.62 B
Stock: ABG wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Auto & Truck Dealerships

1044. FormFactor, Inc.

Company Profile: FormFactor, Inc.
Market Cap (USD): $4.59 B
Stock: FORM wb_incandescent
Country: United States
Sector: US Technology
Industry: US Semiconductors

1045. Encore Wire Corporation

Company Profile: Encore Wire Corporation
Market Cap (USD): $4.58 B (July 1, 2024)
Stock: WIRE wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Electrical Equipment & Parts

1046. Lantheus Holdings, Inc.

Company Profile: Lantheus Holdings, Inc.
Market Cap (USD): $4.57 B
Stock: LNTH wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

1047. Mercury Systems, Inc.

Company Profile: Mercury Systems, Inc.
Market Cap (USD): $4.57 B
Stock: MRCY wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

1048. Spirit AeroSystems Holdings, Inc.

Company Profile: Spirit AeroSystems Holdings, Inc.
Market Cap (USD): $4.54 B (July 1, 2025)
Stock: SPR wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

1049. Kilroy Realty Corporation

Company Profile: Kilroy Realty Corporation
Market Cap (USD): $4.54 B
Stock: KRC wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

1050. Lancaster Colony Corporation

Company Profile: Lancaster Colony Corporation
Market Cap (USD): $4.54 B
Stock: LANC wb_incandescent
Country: United States
Sector: US Consumer Staples
Industry: US Packaged Foods

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